<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    {#{{}}既可以是变量也可以是表达式#}
    <title>{{title.join("123123")}}</title>
</head>
<body>
{#{% 控制语句 %}#}
{#{% if ... %} ... {% elif ... %} ... {% else ... %} ... {% end %}#}
{#{% for ... in ... %} ... {% end %}#}
{#{% while ... %} ... {% end %}#}
{% for item in items%}
    <i>{{item}}</i>
{% end %}

</body>
</html>